National Museum of Nuclear Science & History
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.
Mann worked in the 200 West Area at Hanford during the Manhattan Project.
Gerald F. Clapso served as a sergeant in the 393rd Bombardment Squadron. He was the radar operator regularly assigned first to Luke the Spook and later to Big Stink.
